Fire Design of Steel Structures Eurocode 1: Actions on structures; Part 1-2: General actions -- Actions on structures exposed to fire; Eurocode 3: Design of steel structures; Part 1-2: General rules -- Structural fire design

by Franssen, Jean-Marc; Real, Paulo Vila

• ISBN13: 9783433029749
• ISBN10: 3433029741
• Format: Paperback
• Copyright: 2010-10-11
• Publisher: Ernst & Sohn
• More Book Details
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Summary

This publication sets out the design process in a logical manner giving practical and helpful advice and easy to follow worked examples that will allow designers to exploit the benefits of the new approach given in the Eurocodes to fire design.

Author Biography

Jean-Marc Franssen is Professor at the Department of Architecture, Geology, Environment and Construction of the University of Liege in Belgium. He is leading the group of fire safety engineering and is the Director of the Fire Resistance Laboratory. He is a member of the Technical Committee TC3 - Fire of ECCS. He founded the Structures in Fire (SiF) movement of which he is teh chairman of the Steering Committee. He was a member of the draft team of EN 1993-1-2

Paulo Vila Real is Professor at the Dep. of Civil Engineering of the University of Aveiro in Portugal where he is the Director of the Fire Resistance Laboratory. He is a member of the Technical Committee TC3- Fire of ECCS and of the Steering Committee of the Structures in Fire (SiF) movement. In Portugal he is a member of the Technical Committee CT 115- Eurocodes where he was in charge of writing the National Annexes to the fire parts of the Eurocodes on actions, concrete, steel, composite and aluminium structures.

Table of Contents

Introduction

Relations between different Eurocodes

Scope of EN 1993-1-2

Mechanical Loading

General

Examples

Indirect actions

Thermal Action

Nominal temperature-time curves

Parametric temperature-time curves

Zone models;

CFD models

Localized fires

External members

Temperature In Steel Sections

The heat conduction equation and its boundary conditions

Advanced calculation model. Finite element solution of the heat conduction equation

Section factor

Temperature of unprotected steelwork exposed to fire

Temperature of protected steelwork exposed to fire

Internal steelwork in a void protected by heat screens

External steelwork

Example

View factors in the concave part of a steel profile

Temperature in steel members subjected to localized fires

Temperature in stainless steel members

Example

Mechanical Analysis

Basic principles 99

Mechanical properties of carbon steel 104

Classification of cross-sections 109

Fire resistance of structural members 118

Tension members;

Compression members;

Shear resistance;

Laterally restrained beams;

Laterally unrestrained beams;

Members with Class 1, 2 or 3 cross-sections, subjected to combined bending and axial compression;

Members with Class 4 cross-sections;

Some verifications of the fire resistance not covered by EN 1993-1-2

Design in the temperature domain. Critical temperature

Design of continuous beams

Fire resistance of structural stainless steel members

Design examples

Advanced Calculation Models

Thermal response model

Mechanical response model

Joints

Strength of bolts and welds at elevated temperature

Temperature of joints in fire

Bolted connections

Design fire resistance of welds

Design examples

The Computer Program ?Elefir-En?

Brief description of the program

Default constants used in the program

Design example

Case Study

Fire resistance under standard fire

Thermal calculations

Structural calculation

Fire resistance under natural fire

Temperature development in the compartment

References

Thermal Data For Carbon Steel And Stainless Steel Sections

Thermal properties of carbon steel

Section factor Am / V [m-1] for unprotected steel members

Section factor Ap / V [m-1] for protected steel members

Tables and nomograms for evaluating the temperature in unprotected steel members subjected to the standard fire curve ISO 834

Tables and nomograms for evaluating the temperature in protected steel members subjected to the standard fire curve ISO 834

Thermal properties of some fire protection materials

Thermal properties of stainless steel

Specific heat

Thermal conductivity

Thermal elongation

Tables and nomograms for evaluating the temperature in unprotected stainless steel members subjected to the standard fire curve ISO 834

Thermal properties of some fire compartment lining materials

Input Data For Natural Fire Models

Introduction

Fire load density

Rate of heat release density

Ventilation control

Flash-over

Mechanical Properties Of Carbon Steel And Stainless Steel

Mechanical properties of carbon steel

Mechanical properties of carbon steel at room temperature (20?C)

Stress-strain relationship for carbon steel at elevated temperatures (without strain-hardening)

Stress-strain relationship for carbon steel at elevated temperatures (with strain-hardening)

Mechanical properties to be used with Class 4 cross-section and simple calculation models

Mechanical properties of stainless steel

Tables For Section Classification And Effective Width Evaluation

Section Factors Of European Hot Rolled Ipe And He Profiles

Cross-Sectional Classification Of European Hot Rolled Ipe And He Profiles

Cross-sectional classification for pure compression and pure bending

Cross-sectional classification for combined, compression and bending moment

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